Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

Searching for a way to help you kid practice their geography knowledge? This printable is a great way to learn the countries in North America.

What is wind energy? Teach your students how we can use the wind to create electricity!

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Searching for help with you kid's geography skills? This printable worksheet will teach them the continent of South America.

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

Budding inventors can get a fun review of the simple machines with this word search.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

This experiment requires only lemon juice, salt, sugar and grapefruit. Your budding scientist can get a great introduction to science by testing her own tongue!

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.